Re: [PATCH bpf-next v8 1/4] bpf: add bpf_get_cpu_time_counter kfunc

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On Thu, Nov 21, 2024 at 06:35:39AM -0800, Vadim Fedorenko wrote:
> On 21/11/2024 03:32, Peter Zijlstra wrote:
> > On Wed, Nov 20, 2024 at 04:08:11PM -0800, Vadim Fedorenko wrote:
> > > New kfunc to return ARCH-specific timecounter. For x86 BPF JIT converts
> > > it into rdtsc ordered call. Other architectures will get JIT
> > > implementation too if supported. The fallback is to
> > > __arch_get_hw_counter().
> > 
> > Still not a single word as to *WHY* and what you're going to do with
> > those values.
> > 
> > NAK
> 
> Did you have a chance to read cover letter?

Cover letter is disposable and not retained when applying patches, as
such I rarely read it.




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